Crown Victoria Fog Sensor Issues

I'm having a weird issue with my 2001 Ford Crown Victoria with a gasoline engine. The fog sensor seems to be acting up. I'm getting an error stored, the air conditioning won't switch on, and strangely enough, the spray nozzles are frozen even when it's not that cold, and the mirror heating isn't working. It's like everything's gone haywire at once! I've checked the fuses, and they seem fine. Any ideas?

4 comment(s)

I had something similar happen with my Crown Vic. It sounds like a faulty connection, like a loose wire acting as a bottleneck in a highway. The humidity sensor is connected to all those systems, and if it's not getting a good signal, it can cause problems. Did you check the cable and plug connection of the component? What kind of readings are you getting from the sensor?

Thanks for the tip! I haven't checked the cable and plug connection yet, to be honest. I'm not really sure where to find the humidity sensor on this model. And I don't have the tools to get any readings from the sensor. Is it easy to get to? Could it be something else, like a calibration issue? I'm a bit of a novice when it comes to these things.

While a calibration issue is possible, the symptoms you describe, with multiple systems failing simultaneously, strongly suggest an electrical issue. It's more likely a defective cable or plug connection. Given your novice status, I recommend taking your Crown Victoria to a reputable workshop. They can diagnose the issue accurately and replace the defective part. I had a similar repair, and it cost me around 95€. Trying to fix it yourself without proper knowledge could lead to further damage.

Okay, I appreciate the advice! Sounds like I'm out of my depth here. I'll take it to a workshop and have them check the cable and plug connection of the fog sensor, and mention the humidity sensor as well. Hopefully, it's just a simple fix. Thanks again for your help!

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